Seeds tumble at Brisbane but Naomi Osaka and Karolina Pliskova looking strong

Naomi Osaka will face Anastasija Sevastova at the Brisbane International after the Latvian easily overpowered Harriet Dart.

British hope Dart was always on the back foot after losing two consecutive service games in the first set, and then could muster just 12 points in the entire second before Sevastova completed a 6-2 6-0 win.

There was a shock elsewhere in the draw, with Petra Kvitova losing in straight sets to Estonia’s Anett Kontaveit.

Kiki Bertens, the sixth seed, is also out after being stunned 7-6 1-6 7-5 by Donna Vekic.

Donna gets it done!@DonnaVekic saves two match points to beat Kiki Bertens in Brisbane, 7-6(5), 1-6, 7-5!#BrisbaneTennis pic.twitter.com/Ms1yFqg8mp

— WTA (@WTA) January 2, 2019

Karolina Pliskova is safely through though after beating fellow Czech Marie Bouzkova, 7-5, 6-2.

US Open champion Osaka, meanwhile, booked her place in the next round by easily overcoming Destanee Aiava 6-3 6-2.

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